Industrial-grade horizontal centrifugal fan

Abstract

The utility model relates to the technical field of centrifugal fans, in particular to an industrial-grade horizontal centrifugal fan which comprises a machine shell and a protection device, a support is installed on the lower surface of the machine shell, an air outlet is formed in the upper surface of the machine shell, the protection device is arranged on the surface of the machine shell and comprises a sliding rod, and the sliding rod is fixedly connected with the machine shell. A round sleeve is slidably connected to the surface of the sliding rod, a filter plate is fixedly connected to the surface of the round sleeve, air holes are formed in the surface of the filter plate, a push plate is fixedly connected to one side of the filter plate, an air pump is fixedly connected to the surface of the machine shell, a telescopic rod is installed at the driving end of the air pump, and the telescopic rod abuts against the push plate. Subsequent equipment connected with the air outlet of the fan can be conveniently protected from being damaged by impurities, the service life of the equipment is prolonged, the maintenance and replacement cost is reduced, stable operation of a whole production system can be maintained, the risk of system faults can be reduced due to reduction of the impurities, the production efficiency is improved, and production interruption and delay caused by the faults are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of centrifugal fans, in particular to an industrial-grade horizontal centrifugal fan. Background Art

[0002] Industrial-grade horizontal centrifugal fans are essential equipment in the industrial sector. Utilizing advanced centrifugal technology, they offer high efficiency and high air volume. Their outstanding performance effectively removes harmful gases and dust, improving the working environment. Furthermore, they can adjust speed and air volume to suit varying needs, adapting to a variety of complex operating conditions. Their low noise and energy consumption during operation save costs for businesses, making them an indispensable aid in industrial production.

[0003] The prior art includes a utility model with publication number CN212508953U. The utility model relates to the field of centrifugal fans, specifically a horizontal centrifugal fan mounting structure, including a frame and a fan. The fan is mainly composed of a shaft, an impeller connected to one end of the shaft, and a drive wheel connected to the shaft and maintaining a relative distance from the impeller. The shaft of the fan is mounted on the frame in a horizontal manner through at least two sets of relatively independent bearings, and at least one set of bearings is located on the shaft between the impeller and the drive wheel. The utility model not only has a simple installation structure, but also can differentiate the upward force caused by the gravity of the impeller along the axial direction of the shaft of the centrifugal fan by multiple groups of relatively independent bearings, so that the upward force of the shaft tends to act in a balanced manner on each group of bearings distributed in the axial direction, thereby reducing the difficulty and cost of installation technology, improving the stability and reliability of the operation of each group of bearings, ensuring the stable transmission of driving force between the motor and the driving wheel on the shaft, energy saving and practical. However, during use, the air outlet of the fan lacks effective protection and blocking, and debris enters the equipment through the air outlet, which can easily affect the normal operation of the equipment and cause equipment failure.

[0004] In order to solve the problem that the air outlet of the fan lacks effective protection and blocking, and debris enters the equipment through the air outlet, which easily affects the normal operation of the equipment, the existing technology adopts a method of cleaning before work, but it increases the cleaning burden of the equipment, which in turn leads to the problem of low equipment stability. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings of the prior art that the air outlet of the fan lacks effective protection and blocking, and debris enters the equipment through the air outlet, which easily affects the normal operation of the equipment. An industrial-grade horizontal centrifugal fan is proposed.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions: an industrial-grade horizontal centrifugal fan, comprising a casing and a protective device, a bracket is installed on the lower surface of the casing, an air outlet is provided on the upper surface of the casing, and the protective device is arranged on the surface of the casing, and the protective device includes a sliding rod, which is fixedly connected to the casing, and a circular sleeve is slidably connected to the surface of the sliding rod, and a filter plate is fixedly connected to the surface of the circular sleeve, and air holes are provided on the surface of the filter plate. A push plate is fixedly connected to one side of the filter plate, and an air pump is fixedly connected to the surface of the casing, and a telescopic rod is installed on the driving end of the air pump, and the telescopic rod abuts against the push plate. By setting the protective device, it is convenient to protect subsequent equipment connected to the air outlet of the fan from damage by impurities, thereby extending the service life of these equipment, reducing maintenance and replacement costs, and helping to maintain stable operation of the entire production system.

[0007] Preferably, there are four sliding rods, which are arranged in a mirror-symmetrical manner. By arranging the sliding rods, it is convenient to drive the filter plate to vibrate, facilitate cleaning of blocked impurities, increase the usability of the equipment, and reduce the difficulty of operating the equipment.

[0008] Preferably, the filter plate is arranged on the upper surface of the air outlet of the casing, and the filter plate is arranged at an inclined position in a trapezoidal shape.

[0009] Preferably, the surface of the slide rod is sleeved with an elastic spring, and the two ends of the elastic spring are fixedly connected to the circular sleeve and the slide rod respectively. By providing the elastic spring, it is convenient to assist the filter plate to vibrate, thereby increasing the usability of the equipment and facilitating the cleaning of impurities.

[0010] Preferably, a collecting device is provided on one side of the casing, and the collecting device includes a support plate, a box body is provided on the surface of the support plate, a handle is fixedly connected to the surface of the box body, a hook is fixedly connected to the surface of the box body, and a rod body is fixedly connected to one side of the casing, and the hook is hung on the rod body. By providing the collecting device, impurities can be easily collected, and by providing the collecting device, impurities can be easily recycled, thereby reducing the difficulty of operating the equipment.

[0011] Preferably, there are two hooks, and the two hooks are arranged in a mirror-symmetrical manner. By arranging the hooks, the hooks facilitate positioning of the box body during use, thereby increasing the usability of the device and reducing the difficulty of operating the device.

[0012] Preferably, the box body is arranged on the lower surface of the filter plate, and the box body corresponds to the inclined part of the filter plate. By arranging the box body, impurities are easily collected, which increases the usability of the equipment and reduces the difficulty of operating the equipment.

[0013] Compared with the prior art, the advantages and positive effects of the present invention are:

[0014] In the utility model, a protective device and a collecting device are provided. When in use, the filter plate blocks and isolates impurities on the isolation plate, and the air pump is started. The air pump drives the telescopic rod to collide with the push plate. The push plate is forced to drive the circular sleeve to slide upward. When the telescopic rod is away from the push plate, the elastic spring pulls the circular sleeve to slide downward. The telescopic rod is driven by the air pump to collide back and forth with the push plate, and the filter plate vibrates. Impurities fall into the box body under the guidance of the filter plate. By pulling the handle, the hook is separated from the rod body, and the box body can be removed. By providing the utility model, subsequent equipment connected to the air outlet of the fan is easily protected from damage by impurities, the service life of these equipment is extended, the maintenance and replacement costs are reduced, and it helps to maintain the stable operation of the entire production system. The reduction of impurities can reduce the risk of system failure, improve production efficiency, and reduce production interruptions and delays caused by failures. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The utility model provides a three-dimensional structural diagram of an industrial-grade horizontal centrifugal fan;

[0016] Figure 2 The utility model provides a side view of the structure of an industrial-grade horizontal centrifugal fan;

[0017] Figure 3 The utility model provides a schematic diagram of the structure of a protective device for an industrial-grade horizontal centrifugal fan;

[0018] Figure 4 This utility model proposes an industrial-grade horizontal centrifugal fan Figure 3 A schematic diagram of the enlarged structure at point A;

[0019] Figure 5 The utility model provides a schematic diagram of the air pump structure of an industrial-grade horizontal centrifugal fan.

[0020] Legend: 1. Casing; 2. Bracket; 3. Protective device; 31. Filter plate; 32. Push plate; 33. Round sleeve; 34. Sliding rod; 35. Elastic spring; 36. Air pump; 37. Telescopic rod; 4. Collecting device; 41. Box body; 42. Handle; 43. Support plate; 44. Hook; 45. Rod body. DETAILED DESCRIPTION

[0021] See also Figure 1-5 The utility model provides a technical solution: an industrial-grade horizontal centrifugal fan, comprising a casing 1 and a protective device 3, a bracket 2 is installed on the lower surface of the casing 1, an air outlet is opened on the upper surface of the casing 1, and the protective device 3 is arranged on the surface of the casing 1.

[0022] The specific settings and functions of the protective device 3 and the collecting device 4 are described in detail below.

[0023] In this embodiment: the protective device 3 includes a sliding rod 34, the sliding rod 34 is fixedly connected to the casing 1, the surface of the sliding rod 34 is slidably connected to a circular sleeve 33, the surface of the circular sleeve 33 is fixedly connected to a filter plate 31, the surface of the filter plate 31 is provided with air holes, one side of the filter plate 31 is fixedly connected to a push plate 32, the surface of the casing 1 is fixedly connected to an air pump 36, the driving end of the air pump 36 is installed with a telescopic rod 37, the telescopic rod 37 is in contact with the push plate 32, and by providing the protective device 3, it is convenient to protect the subsequent equipment connected to the air outlet of the fan from damage by impurities, extend the service life of these equipment, reduce the cost of maintenance and replacement, and help maintain the stable operation of the entire production system.

[0024] Specifically, there are four slide bars 34, which are arranged in a mirror-symmetrical manner. By arranging the slide bars 34, it is convenient to drive the filter plate 31 to vibrate, so as to facilitate the cleaning of blocked impurities, thereby increasing the usability of the equipment and reducing the difficulty of operating the equipment.

[0025] Specifically, the filter plate 31 is located on the upper surface of the air outlet of the housing 1, and the filter plate 31 is arranged in a trapezoidal shape and tilted.

[0026] Specifically, the surface of the slide rod 34 is provided with an elastic spring 35, and the two ends of the elastic spring 35 are fixedly connected to the circular sleeve 33 and the slide rod 34 respectively. By providing the elastic spring 35, it is convenient to assist the filter plate 31 to vibrate, thereby increasing the usability of the equipment and facilitating the cleaning of impurities.

[0027] Specifically, a collecting device 4 is provided on one side of the casing 1, and the collecting device 4 includes a support plate 43. A box body 41 is provided on the surface of the support plate 43, a handle 42 is fixedly connected to the surface of the box body 41, and a hook 44 is fixedly connected to the surface of the box body 41. A rod body 45 is fixedly connected to one side of the casing 1, and the hook 44 is hung on the rod body 45. By setting up the collecting device 4, it is convenient to collect impurities. By setting up the collecting device 4, it is convenient to recycle impurities, and the operation difficulty of the equipment is reduced.

[0028] Specifically, there are two hooks 44, and the two hooks 44 are arranged in a mirror-symmetrical manner. By setting the hooks 44, when in use, the hooks 44 are convenient for positioning the box body 41, which increases the usability of the device and reduces the difficulty of operating the device.

[0029] Specifically, the box body 41 is located on the lower surface of the filter plate 31, and the box body 41 corresponds to the inclined part of the filter plate 31. By setting the box body 41, impurities are easily collected, which increases the usability of the equipment and reduces the difficulty of operating the equipment.

[0030] Working principle: By setting the protective device 3 and the collecting device 4, when in use, the filter plate 31 blocks and isolates impurities on the isolation plate, starts the air pump 36, and the air pump 36 drives the telescopic rod 37 to collide with the push plate 32. The push plate 32 is forced to drive the circular sleeve 33 to slide upward. When the telescopic rod 37 is away from the push plate 32, the elastic spring 35 pulls the circular sleeve 33 to slide downward, and the telescopic rod 37 is driven by the air pump 36 to collide back and forth with the push plate 32. The filter plate 31 vibrates, and impurities fall into the box body 41 following the guidance of the filter plate 31. By pulling the handle 42, the hook 44 is separated from the rod body 45, and the box body 41 can be removed. By setting up the utility model, it is convenient to protect subsequent equipment connected to the air outlet of the fan from damage by impurities, extend the service life of these equipment, reduce maintenance and replacement costs, and help maintain the stable operation of the entire production system. The reduction of impurities can reduce the risk of system failure, improve production efficiency, and reduce production interruptions and delays caused by failures.

Claims

1. An industrial-grade horizontal centrifugal fan, comprising a housing (1) and a protective device (3), characterized in that: The lower surface of the housing (1) is provided with a bracket (2), the upper surface of the housing (1) is provided with an air outlet, the protective device (3) is provided on the surface of the housing (1), and the protective device (3) includes a slide bar (34), the slide bar (34) is fixedly connected to the housing (1), the surface of the slide bar (34) is slidably connected to a circular sleeve (33), the surface of the circular sleeve (33) is fixedly connected to a filter plate (31), the surface of the filter plate (31) is provided with air holes, one side of the filter plate (31) is fixedly connected to a push plate (32), the surface of the housing (1) is fixedly connected to an air pump (36), a driving end of the air pump (36) is provided with a telescopic rod (37), and the telescopic rod (37) is in contact with the push plate (32).

2. The industrial-grade horizontal centrifugal fan according to claim 1, characterized in that: There are four slide bars (34), and the four slide bars (34) are arranged in a mirror-symmetrical manner.

3. The industrial-grade horizontal centrifugal fan according to claim 1, characterized in that: The filter plate (31) is arranged on the upper surface of the air outlet of the casing (1), and the filter plate (31) is arranged in a trapezoidal and inclined manner.

4. The industrial-grade horizontal centrifugal fan according to claim 1, characterized in that: The surface of the slide rod (34) is sleeved with an elastic spring (35), and the two ends of the elastic spring (35) are fixedly connected to the circular sleeve (33) and the slide rod (34) respectively.

5. The industrial-grade horizontal centrifugal fan according to claim 1, characterized in that: A collecting device (4) is provided on one side of the housing (1), and the collecting device (4) includes a supporting plate (43). A box body (41) is provided on the surface of the supporting plate (43), a handle (42) is fixedly connected to the surface of the box body (41), and a hook (44) is fixedly connected to the surface of the box body (41). A rod body (45) is fixedly connected to one side of the housing (1), and the hook (44) is hung on the rod body (45).

6. The industrial-grade horizontal centrifugal fan according to claim 5, characterized in that: There are two hooks (44), and the two hooks (44) are arranged in a mirror-symmetrical manner.

7. The industrial-grade horizontal centrifugal fan according to claim 5, characterized in that: The box body (41) is located on the lower surface of the filter plate (31), and the box body (41) corresponds to the inclined portion of the filter plate (31).

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